I do see what you are trying to accomplish. Although we are not able to support this directly, I can recommend the following site for help.Main Page « WordPress Codex
They have a lot of good information, I hope this helps.

As well as Fantastico, which does what you want, there's also a more recent, and in my opinion, a better tool, called Installatron. It provides one click installation of a whole family of tools.

If you want just Wordpress, and nothing else, you could look at hiring a programmer to get the job done, or check out the Wordpress site/s, there is a lot out there and there may be someone who's done what you want for free.

Fantastico is a system designed to make installing popular scripts easy. If you want to improve your web site with a discussion forum or an online gallery to show everyone your latest holiday snaps, you can. With a few clicks of your mouse your web site will be transformed into a fantastic resource for you, your business or your family.

You can access Fantastico through, cPanel.

You have a choice of many popular scripts, there’s no limit on the number of times you can install or remove the installations or how many you can have installed at one time.